wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/12d04612-5793-46f5-b20d-12378b8515b4/4DNFIQ57GW6C.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/12d04612-5793-46f5-b20d-12378b8515b4/4DNFIQ57GW6C.mcool 4DNFIQ57GW6C
test "784a9e8126c3779b43d29981ea7595cc" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIQ57GW6C